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Dinan 8-Series BMW Performance Suspension Systems

rearDinan offered the most comprehensive line of suspension systems and components for the 8-Series BMW.  Their objective was to keep as much of the tire in contact with the road surface as possible under constantly changing driving conditions.  They spent countless hours studying the chasis in order to understand its handling characteristics under varying driving conditions.  By carefully designing complete suspension systems, they took the guesswork out of improving the handling of the 8-Series.  The result was performance suspension systems that offered the best possible handling while minimizing the effect on ride quality.

Dinan offered three different suspension packages for the 8-Series BMW, each with increasingly higher performance handling characteristics.

Stage I Suspension System

The Stage I systems consists of lower, firmer springs and specially valved shocks and struts which had been carefully designed to compliment each other.  The result was a very nicely dampened ride, void of the excessive pitch and roll associated with the stock 8-Series suspension.  For vehicles equipped with EDC (electronic damping control), Dinan offered a lower and firmer spring set, designed to complement the valving of the stock struts.

Stage I without EDC – $1,264.00suspension

  • Lower Springs, Front Struts and Rear Shocks
  • (7) Installation Hours

Stage I with EDC – $379.00

  • Lower Springs, Front Struts and Rear Shocks
  • (6.5) Installation Hours

Stage II Suspension System

Stage II added larger anti-roll bars to the Stage I system in order to further reduce body roll and increase steering response.  Dinan anti-roll bars were made of materials so superior that they were in a league by themselves.  As an example, the anti-roll bar bushings were made of high density synthetic rubber as opposed to the inexpensive urethane used by most manufacturers.  Urethane requires regular lubrication, has a tenancy to squeak and wears out faster.  Dinan anti-roll bars were fully adjustable so that it was possible to perfectly balance the 8-Series BMW.

Stage II without EDC – $1,684.00swaybars

  • Stage I Components + 27 mm Front and 16 mm Rear Anti-roll Bars
  • (10.5) Installation Hours

Stage II with EDC – $799.00

  • Stage I Components + 27 mm Front and 16 mm Rear Anti-roll Bars
  • (10) Installation Hours

Stage III Suspension System

The results of Dinan’s research and development efforts become dramatically apparent with the Stage III Suspension System.  Using a three plane suspension program, Dinan engineers discovered that the 8-Series’ biggest geometric weakness was the front end.  Stage III corrects the weakness by relocating the upper strut mounting point with a camber plate.  The camber plates reduce under-steer, or the car’s tendancy to plow the front end, and also make it possible to fit larger tires and wheels, further reducing under-steer.

Stage III without EDC – $1,884.00

  • Stage I/II Components + Front Camber Plates
  • (11.5) Installation Hours

Stage II with EDC – $999.00

  • Stage I/II Components + Front Camber Plates
  • (11) Installation Hours

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Dinan 8 Owners Group

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